Add error messages to stale gossip cleanup assertions.

Should help debug #1914.

diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index d0682d47d7ed15d475791956ac55022825595813..d90e4c437939d588beba4b209fc6e4bdc9e11a90 100644 (file)
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -2542,13 +2542,13 @@ mod tests {
                        // Should not remove from tracking if insufficient time has passed
                        network_graph.remove_stale_channels_and_tracking_with_time(
                                tracking_time + REMOVED_ENTRIES_TRACKING_AGE_LIMIT_SECS - 1);
-                       assert_eq!(network_graph.removed_channels.lock().unwrap().len(), 1);
+                       assert_eq!(network_graph.removed_channels.lock().unwrap().len(), 1, "Removed channel count ≠ 1 with tracking_time {}", tracking_time);
 
                        // Provide a later time so that sufficient time has passed
                        network_graph.remove_stale_channels_and_tracking_with_time(
                                tracking_time + REMOVED_ENTRIES_TRACKING_AGE_LIMIT_SECS);
-                       assert!(network_graph.removed_channels.lock().unwrap().is_empty());
-                       assert!(network_graph.removed_nodes.lock().unwrap().is_empty());
+                       assert!(network_graph.removed_channels.lock().unwrap().is_empty(), "Unexpectedly removed channels with tracking_time {}", tracking_time);
+                       assert!(network_graph.removed_nodes.lock().unwrap().is_empty(), "Unexpectedly removed nodes with tracking_time {}", tracking_time);
                }
 
                #[cfg(not(feature = "std"))]